Preheat oven to 350 degrees. Spray 9-inch pie pan with non-stick cooking spray.
In a medium-sized mixing bowl, cream butter and sugar. Add in flour.
In a separate bowl, beat the eggs and then mix in the syrup and vanilla. Fold in the nuts and chocolate chips and then pour into a 9-inch deep dish pie shell.
Bake for 45 minutes to an hour.
Notes
Bake time is between 45 minutes and 1 hour. Keep an eye on the pie after this time and check for done-ness. Center will be mostly firm when finished baking.